3M Work Tunes Hearing protector with Bluetooth

Noise reduction rating (NRR) of 24dB or higher when worn properly
Equipped with 40mm high fidelity Speakers for premium sound quality
Easy-to-use one button interface helps keep you focused on the job
Built-in rechargeable battery
Charging cord included
Vented headband design features removable padding for versatile comfort
Durable design is great for everyday use
Automatic shut-off helps extend the life of your batteries
Volume temporarily mutes when phone calls and messages are received
Helps lower your risk of noise-induced hearing loss
Noise Reduction Rating (NRR) 24 dB*
Requires 2 AA batteries (not included)
Optional lithium rechargeable battery (sold separately) – 3M™ ALPHA1100 Rechargeable Li-Ion Battery Pack for 3M™ WorkTunes™ Wireless Hearing Protector, Peltor™ Sport Tactical 300 Electronic Hearing Protector, and Peltor™ Sport Tactical 500 Electronic Hearing Protectors